When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I've read that there is, and yes its hard to change if you have 4WD. I'd like to delete mine, I never use it and its a known coolant leak when it fails. I find nothing about plugging that hole.